Asset Trading Volume with Dynamically Complete Markets and Heterogeneous Agents

Kenneth Judd, Felix Kubler and Karl Schmedders

No 1294, Discussion Papers from Northwestern University, Center for Mathematical Studies in Economics and Management Science

Abstract: The trading volume of long-lived securities with recursive payoffs, such as equity, is generically zero in infinite-horizon recursive pure exchange Lucas asset models with heterogeneous agents. In equilibrium, there is no portfolio rebalancing of such assets. More generally, the end-of-period portfolio of long- and short-lived securities is constant over time and states in the generic economy. We also present a nonrobust formulation of dynamically complete markets which does have nonzero trading volume in equilibrium. The comparisons show that any theory of asset trading volume will be very sensitive to small changes in model specifications.

Date: 2000-05
New Economics Papers: this item is included in nep-dge and nep-fmk
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Journal Article: Asset Trading Volume with Dynamically Complete Markets and Heterogeneous Agents (2003)
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